MIL-DTL-28840/12
Connectors, Electrical
CONNECTOR,RECEPTACLE,ELECTRICAL
MIL-DTL-28840/12
CONNECTOR,RECEPTACLE,ELECTRICAL
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Technical Characteristics
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Special Features
insert arrangement 15-1; also 20-20 wire size pin in lieu 0f 20-22
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Shell Type
solid
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Thread Class
2a
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Included Contact Quantity
21 single mating end single contact grouping
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Insert Material
plastic fluorosilicone single mating end
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Nominal Thread Length
0.625 inches
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End Item Identification
an/srq-4
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Threaded Device Type
coupling facility
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Terminal Type
crimp single mating end single contact grouping
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Terminal Location
back single mating end single contact grouping
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~1
type data on certain environmental and performa
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Connector Locking Method
externally threaded shell
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Shell Surface Treatment Document And Classification
qq-p-416 fed spec single treatment response
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Overall Length
1.625 inches maximum
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Shell Material
aluminum alloy
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Precious Material And Location
contact surfaces silver
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Shell Surface Treatment
cadmium
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Contact Surface Treatment
silver single mating end single contact grouping
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Body Style
straight shape, external coupling
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Contact Removability
removable single mating end single contact grouping
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Overall Width
1.238 inches minimum and 1.278 inches maximum
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Overall Height
1.238 inches minimum and 1.278 inches maximum
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Center To Center Distance Between Mounting Facilities Parallel To Height
0.968 inches nominal
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Included Contact Type
round pin single mating end single contact grouping
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Environmental Protection
thermal shock resistant and vibration resistant and corrosion resistant and moisture resistant
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Precious Material
silver
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Distance Between Centerlines Of Mounting Facilities Parallel To Body Width
0.968 nominal inches
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Mating End Quantity
1
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Insert Position In Deg
142.0 and 196.0 and 80.0 and 293.0
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Precious Material And Weight
0.021 silver grains, troy
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Specification/Standard Data
81349-mil-dtl-28840/12 government specification
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Nominal Thread Size
1.062 inches
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Test Data Document
81349-mil-dtl-28840 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general
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Polarization Method
keyway or multiple keyway
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Contact Material
copper alloy single mating end single contact grouping
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Contact Surface Treatment Document And Classification
qq-s-365 1st treatment response clear printed value single mating end single contact grouping
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Thread Quantity Per Inch
10
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Distance From Mounting Shoulder To Front Face
0.878 inches minimum and 0.898 inches maximum
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Contact Position Arrangement Style
15-21 single mating end
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Unthreaded Mounting Hole Diameter
0.115 inches minimum and 0.130 inches maximum
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Thread Direction
right-hand
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Thread Series Designator
double stub